1
MHT CET 2026 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
What is the number of tetrahedral voids present in $0.5$ mole of compound forming hcp structure?
A
$1.223 \times 10^{23}$
B
$3.628 \times 10^{23}$
C
$4.487 \times 10^{23}$
D
$6.022 \times 10^{23}$
2
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the edge length of unit cell if metal having atomic radius 170 pm forms simple cubic unit cell.

A

$1.17 \times 10^{-8} \mathrm{~cm}$

B

$3.40 \times 10^{-8} \mathrm{~cm}$

C

$5.12 \times 10^{-8} \mathrm{~cm}$

D

$6.81 \times 10^{-8} \mathrm{~cm}$

3
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In an ionic solid anions are arranged in hcp array and cations occupy $\frac{2}{3}$ of octahedral voids.

What is the formula of ionic compound? [consider $\mathrm{A}=$ cation; $\mathrm{B}=$ anion]

A

AB

B

$\mathrm{A}_2 \mathrm{~B}_3$

C

$\quad \mathrm{A}_3 \mathrm{~B}_2$

D

$\mathrm{AB}_3$

4
MHT CET 2025 26th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the number of unit cells in $1 \mathrm{~cm}^3$ of an element if unit cell edge length is $2.0 \times 10^{-8} \mathrm{~cm}$.

A
$3.78 \times 10^{23}$
B
$2.61 \times 10^{23}$
C
$1.25 \times 10^{23}$
D
$4.61 \times 10^{23}$

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